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Keywords: geometry
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Proceedings Papers

Paper presented at the SEG/AAPG/SEPM First International Meeting for Applied Geoscience & Energy, September 26–October 1, 2021
Paper Number: SEG-2021-3583354
... Correct understanding of the influence of key acquisition parameters on seismic imaging is helpful to design a reasonable seismic acquisition geometry so as to acquire high quality seismic data. Although the forward modeling method we conventionally use can help to study and design acquisition...
Proceedings Papers

Paper presented at the SEG/AAPG/SEPM First International Meeting for Applied Geoscience & Energy, September 26–October 1, 2021
Paper Number: SEG-2021-3594936
...Assessing sparse-node geometries with Full-waveform Inversion for a deep water play in Santos Basin Yannick Cobo, Rodrigo Felicio Fuck , Carlos Caldero´n, Paul Farmer and Chao Wang, ION Geophysical SUMMARY METHOD Here we present the results to a series of experiments on an To study the effect...
Proceedings Papers

Paper presented at the SEG/AAPG/SEPM First International Meeting for Applied Geoscience & Energy, September 26–October 1, 2021
Paper Number: SEG-2021-3581021
.... artificial intelligence frequency da silva geophysics optimization problem applied geoscience obn acquisition structural geology obn acquisition geometry circular shot obn acquisition reservoir characterization upstream oil & gas geometry multi-scale q-fwi exploration geophysicist 10...
Proceedings Papers

Paper presented at the SEG/AAPG/SEPM First International Meeting for Applied Geoscience & Energy, September 26–October 1, 2021
Paper Number: SEG-2021-3584034
... to the previously processed legacy image. Template-matching full-waveform inversion was used to shape the salt geometry. Gravity-driven modeling was additionally used to validate and optimize the allochthonous salt bodies. Subsequently, common image point tomography iterations and reflection-based fullwaveform...
Proceedings Papers

Paper presented at the SEG/AAPG/SEPM First International Meeting for Applied Geoscience & Energy, September 26–October 1, 2021
Paper Number: SEG-2021-3583981
... A simulation was performed of the electromagnetic fields response to different unconventional reservoir scenarios and transmitter to receiver configuration, including strong anisotropy, combination of anisotropies and geometries, and larger monitoring times than conventional ones, providing...
Proceedings Papers

Paper presented at the SEG/AAPG/SEPM First International Meeting for Applied Geoscience & Energy, September 26–October 1, 2021
Paper Number: SEG-2021-3584007
... geophysicist 10 metal earth project reservoir characterization applied geoscience seismic reflection imaging geometry seismic survey Seismic re ection imaging of the eastern Sudbury structure Mostafa Naghizadeh, Laurentian University SUMMARY Figure 1: The lithological map of the Sudbury structure...
Proceedings Papers

Paper presented at the SEG/AAPG/SEPM First International Meeting for Applied Geoscience & Energy, September 26–October 1, 2021
Paper Number: SEG-2021-3582692
... We present a new framework for analysis and interpretation of seismic and geophysical data based on novel seismic-to-geometry transformations. In traditional seismic analysis, the mindset of interpreters is often centered on window- and trace-based processing, taking advantage of a huge...
Proceedings Papers

Paper presented at the SEG/AAPG/SEPM First International Meeting for Applied Geoscience & Energy, September 26–October 1, 2021
Paper Number: SEG-2021-3582052
... scenario salt update reservoir characterization upstream oil & gas rtm image neural network applied geoscience salt geometry update machine learning deep learning loop 2 interpreter dl-based automatic salt update salt geometry expanded abstract exploration geophysicist 10 dl model...
Proceedings Papers

Paper presented at the SEG/AAPG/SEPM First International Meeting for Applied Geoscience & Energy, September 26–October 1, 2021
Paper Number: SEG-2021-3582682
... This paper presents a decimation study of ocean-bottom 4D seismic using both PP and PS converted wave data. 4D data for two vintages with dense receiver spacing of 25 × 200 m has been decimated to several different less dense geometries, to study the effects of various 4D attributes...
Proceedings Papers

Paper presented at the SEG/AAPG/SEPM First International Meeting for Applied Geoscience & Energy, September 26–October 1, 2021
Paper Number: SEG-2021-3582060
... then, there have been numerous efforts to apply SSFWI to synthetic and field datasets. However, successful applications with substantial speed-ups are limited to the synthetic data because of the assumption of a fixed spread acquisition geometry for SSFWI. Among various field acquisition options, ocean bottom node...
Proceedings Papers

Paper presented at the SEG/AAPG/SEPM First International Meeting for Applied Geoscience & Energy, September 26–October 1, 2021
Paper Number: SEG-2021-3582621
... & gas gravity data geometry density model applied geoscience joint inversion reservoir characterization log 10 horizontal derivative geophysics inversion equation coincident geometrical coordinate iteration gradient data density geometry exploration geophysicist 10 gramian constraint...
Proceedings Papers

Paper presented at the SEG/AAPG/SEPM First International Meeting for Applied Geoscience & Energy, September 26–October 1, 2021
Paper Number: SEG-2021-3582865
... isometric pores. Accurate quantitative description is crucial for inferring the structure of the pore space. Up to now, many analytical models exist mainly based on simplified geometries of the pore space. These models were not compared with numerical solutions; and those which were showed poor accuracy. We...
Proceedings Papers

Paper presented at the SEG/AAPG/SEPM First International Meeting for Applied Geoscience & Energy, September 26–October 1, 2021
Paper Number: SEG-2021-3591385
... extensions of the Cartesian NMO equation for spherical geometry. We then develop processing flows, using these equations and other steps, for seismic reflection data acquired over areas of significant curvature. We applied the processing flow to laboratory physical models, a curved batholith (Enchanted Rock...
Proceedings Papers

Paper presented at the SEG International Exposition and Annual Meeting, October 11–16, 2020
Paper Number: SEG-2020-3426868
... structural geology illumination velocity model seg international exposition wave path pre-salt target-oriented imaging felipe costa geometry reservoir illumination reservoir characterization acquisition geometry proceedings exploration geophysicist 10 refracted wave path pre-salt...
Proceedings Papers

Paper presented at the SEG International Exposition and Annual Meeting, October 11–16, 2020
Paper Number: SEG-2020-3426928
... We investigate a recently proposed method for optimal sensor placement that we have adapted for a time-lapse seismic acquisition application. The premise of our paper is that a dense acquisition conducted for the base survey can be used to design an optimal sparse acquisition geometry...
Proceedings Papers

Paper presented at the SEG International Exposition and Annual Meeting, October 11–16, 2020
Paper Number: SEG-2020-3418232
... that sands microstructural features are isotropic while shales are vertical transverse isotropic, and is heterogeneous at the field-scale, i.e., shales are finely layered while sands have complex geometry. The seismic modeling results show that the sand intrusions are difficult to detect in the seismic...
Proceedings Papers

Paper presented at the SEG International Exposition and Annual Meeting, October 11–16, 2020
Paper Number: SEG-2020-3424513
... Location: Poster Station 5 Presentation Type: Poster upstream oil & gas cave ceiling migration seg international exposition reservoir characterization resource in place estimate lidar data geometry estimates of resource in place ground penetrating radar constant velocity migration...
Proceedings Papers

Paper presented at the SEG International Exposition and Annual Meeting, October 11–16, 2020
Paper Number: SEG-2020-3424747
... timereversal. The optimization corrects for receiver geometry. Additionally, our method is able to handle variations in the source location. If we accurately know the location of a control point in the subsurface we can use the corresponding optimal weights to achieve super-resolved focusing in locations...
Proceedings Papers

Paper presented at the SEG International Exposition and Annual Meeting, October 11–16, 2020
Paper Number: SEG-2020-3416226
... Neptune Energy has licensed a concession as operator in the North West El Amal in the Gulf of Suez, Egypt (Figure 1). The seismic data available over the block was acquired in 1992 with a narrow azimuth 5 x 3km towed streamer geometry (NAZ), suitable for the shallow target at that time. One...
Proceedings Papers

Paper presented at the SEG International Exposition and Annual Meeting, October 11–16, 2020
Paper Number: SEG-2020-3428163
... reservoir characterization initial model geometry new acquisition upstream oil & gas the overburden exploration geophysicist 10 seismic image modeling experiment suez velocity model gulf modeling study subsurface challenge final model seismic data experiment seg...

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